These are some common tools used to work on this device. You might not need every tool for every procedure.
For more information on any troubles you may experience, check out our Nutri Ninja Ninja Blender Duo BL641 Troubleshooting guide.
Background and Identification
The Nutri Ninja Ninja Blender Duo BL641 is an advanced blender with a black and silver base and clear plastic cups and pitchers. It has nine buttons and a small display. This blender knows which cup or pitcher is being used as well as what food is being blended and caters the speeds and modes accordingly to make sure the blend is consistent. This model also has suction cups on the bottom to keep the blender stable and stationary. It comes with one large pitcher and two different sized cups. The blender's motor is 1300 watts.